diff --git a/internal/k8sdeps/configmapandsecret/configmapfactory_test.go b/internal/k8sdeps/configmapandsecret/configmapfactory_test.go
index e64a247da..720241556 100644
--- a/internal/k8sdeps/configmapandsecret/configmapfactory_test.go
+++ b/internal/k8sdeps/configmapandsecret/configmapfactory_test.go
@@ -91,7 +91,7 @@ func TestConstructConfigMap(t *testing.T) {
 			input: types.ConfigMapArgs{
 				Name: "envConfigMap",
 				DataSources: types.DataSources{
-					EnvSource: "../../../pkg/examplelayout/simple/instances/exampleinstance/configmap/app.env",
+					EnvSource: "configmap/app.env",
 				},
 			},
 			expected: makeEnvConfigMap("envConfigMap"),
@@ -101,7 +101,7 @@ func TestConstructConfigMap(t *testing.T) {
 			input: types.ConfigMapArgs{
 				Name: "fileConfigMap",
 				DataSources: types.DataSources{
-					FileSources: []string{"../../../pkg/examplelayout/simple/instances/exampleinstance/configmap/app-init.ini"},
+					FileSources: []string{"configmap/app-init.ini"},
 				},
 			},
 			expected: makeFileConfigMap("fileConfigMap"),
@@ -118,8 +118,9 @@ func TestConstructConfigMap(t *testing.T) {
 		},
 	}
 
-	// TODO: all tests should use a FakeFs
-	fSys := fs.MakeRealFS()
+	fSys := fs.MakeFakeFS()
+	fSys.WriteFile("configmap/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
+	fSys.WriteFile("configmap/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
 	f := NewConfigMapFactory(fSys, loader.NewFileLoader(fSys))
 	for _, tc := range testCases {
 		cm, err := f.MakeConfigMap(&tc.input)